Move all files related to tracked preferences from c/b/prefs to c/b/prefs/tracked.

chrome/browser/prefs/tracked/pref_hash_store_transaction.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_PREFS_PREF_HASH_STORE_TRANSACTION_H_
-#define CHROME_BROWSER_PREFS_PREF_HASH_STORE_TRANSACTION_H_
+#ifndef CHROME_BROWSER_PREFS_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
+#define CHROME_BROWSER_PREFS_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
 
 #include <string>
 #include <vector>
 
 namespace base {
 class DictionaryValue;
 class Value;
 }  // namespace base
 
 // Used to perform a series of checks/transformations on a PrefHashStore.
@@ skipping 68 matching lines @@
 
   // Indicates whether the super MAC was successfully verified at the beginning
   // of this transaction.
   virtual bool IsSuperMACValid() const = 0;
 
   // Forces a valid super MAC to be stored when this transaction terminates.
   // Returns true if this results in a change to the store contents.
   virtual bool StampSuperMac() = 0;
 };
 
-#endif  // CHROME_BROWSER_PREFS_PREF_HASH_STORE_TRANSACTION_H_
+#endif  // CHROME_BROWSER_PREFS_TRACKED_PREF_HASH_STORE_TRANSACTION_H_